Abstract

The measurement results of the front-end ASIC for the GEM detector read-out are presented. The MUCH ASIC v2 was designed and prototyped via Europractice by means of the 0.18 um CMOS MMRF process of UMC (Taiwan). The parameters of the analog channels, including the CSA, fast and slow shapers, discriminators, were measured. The channels provide a sufficient dynamic range of 100 fC, low power consumption of 10 mW per channel and ENC of 1550 el at a 50 pF detector capacitance.

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